Constraints:

Signature: multiplicity_of_output() : Boolean;Description: The multiplicity of the output pin is 1..1.The OCL used here is not normative.Editor's notes: No multiplicityExpression: self.result.is(1,1)Original: self.result.multiplicity.is(1,1)

Signature: multiplicity_of_input() : Boolean;Description: The multiplicity of the input pin is 1..1.The OCL used here is not normative.Editor's notes: No multiplicityExpression: self.object.is(1,1)Original: self.object.multiplicity.is(1,1)